安卓7 安卓8 出现三角符号，但是可以上网解决方案

                        <p><span style="color: rgb(77, 77, 77); font-family: "Microsoft YaHei"; font-size: 12pt;">现象：机器开机4G显示三角空框，但是可以正常上网。重启模块后显示正常</span><br></p><p style="margin-top:0pt;margin-bottom:12pt;line-height:19pt;font-family:"Microsoft YaHei";

font-size:12.0pt;color:#4D4D4D”>原因:模块注册状态广播后，安卓上层没有监听到

解决方法:

一.Android7

方案1：diff –git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java

index 34a03bf..962a773 100644

— a/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java

+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java

@@ -323,7 +323,7 @@ public class MobileSignalController extends SignalController<

return false;

case ServiceState.STATE_OUT_OF_SERVICE:

case ServiceState.STATE_EMERGENCY_ONLY:

– return mServiceState.getDataRegState() == ServiceState.STATE_IN_SERVICE;

+ //return mServiceState.getDataRegState() == ServiceState.STATE_IN_SERVICE;

default:

return true;

}

方案2

diff –git
a/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java
b/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java

index
03c46e8b37..694599206e 100644

—
a/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java

+++
b/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java

@@ -316,8 +316,16 @@
public class MobileSignalController extends SignalController<

} else if
(action.equals(TelephonyIntents.ACTION_DEFAULT_DATA_SUBSCRIPTION_CHANGED)) {

updateDataSim();

notifyListenersIfNecessary();

– }

+ }else
if(action.equals(TelephonyIntents.ACTION_SERVICE_STATE_CHANGED)){

+ ServiceState
mLastServiceState = ServiceState.newFromBundle(intent.getExtras());

+ if(mLastServiceState !=
null && (mServiceState == null || mServiceState.getVoiceRegState() !=
mLastServiceState.getVoiceRegState())){

+
//Log.v(TAG,”handleBroadcast
mLastServiceState:”+mLastServiceState.getVoiceRegState());

+ mServiceState =
mLastServiceState;

+
updateTelephony();

+ }

private void updateDataSim() {

int defaultDataSub =
mDefaults.getDefaultDataSubId();

diff –git
a/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java
b/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java

index
622595f765..2fd0cce8ed 100644

—
a/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java

+++
b/frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java

@@ -396,6 +396,11 @@
public class NetworkControllerImpl extends BroadcastReceiver

// emergency state.

recalculateEmergency();

}

+ for
(MobileSignalController controller : mMobileSignalControllers.values()) {

+
controller.handleBroadcast(intent);

+ }

} else {

int subId =
intent.getIntExtra(PhoneConstants.SUBSCRIPTION_KEY,

SubscriptionManager.INVALID_SUBSCRIPTION_ID);

二，安卓八

方案1.